Back to EveryPatent.com
United States Patent | 5,054,113 |
Jasinski | October 1, 1991 |
Receivers synchronize to signals sequentially transmitted from several transmitters prior to receiving signals simulcast by the transmitters. The relative delay differential of the received sequential signals is measured and used to determine the optimal sampling positions for the simulcast signals.
Inventors: | Jasinski; Leon (Ft. Lauderdale, FL) |
Assignee: | Motorola, Inc. (Schaumburg, IL) |
Appl. No.: | 445210 |
Filed: | December 4, 1989 |
Current U.S. Class: | 455/503; 455/105; 455/526 |
Intern'l Class: | H04B 007/00 |
Field of Search: | 455/16,38,51,70,103,52,103,105,57 375/11,40 340/825.14,825.74 |
4034295 | Jul., 1977 | Kotezawa et al. | 455/51. |
4208630 | Jul., 1980 | Martinez | 455/51. |
4255814 | Mar., 1981 | Osborn | 455/51. |
4612594 | Sep., 1986 | Yamaura et al. | 455/51. |
4696052 | Sep., 1987 | Breeden | 455/51. |
4709402 | Nov., 1987 | Akerberg | 455/51. |